Which of the following changes takes place during the third trimester of a women’s pregnancy? (apex) a. fetus hands and feet appear b. fetus begins to form teeth? c. fetus begins rhythmic breathing movements d. fetus develops toenails, lips, eyelashes

Why does the alligator have one of the strongest bite force and why does it run so fast i need to know i live in florida

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.